PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Smith examines many forms of retirement and nonretirement income for persons born during the 1931???1975 period and focuses on how earnings inequality may translate into retirement income inequality.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ssa.gov